/* Franks One — landing. Azure identity, matches the app tokens. Self-contained. */

:root {
	--accent: #4c8dff;
	--accent-hi: #6ba4ff;
	--accent-soft: rgba(76, 141, 255, 0.12);
	--accent-line: rgba(76, 141, 255, 0.35);
	--accent-ink: #04122e;
	--bg: #0a0c10;
	--surface: #0f1218;
	--surface-2: #171b22;
	--border: rgba(255, 255, 255, 0.09);
	--border-strong: rgba(255, 255, 255, 0.16);
	--text: #eef1f6;
	--text-muted: #9aa3b2;
	--text-faint: #626b7a;
	--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
	--mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
	color-scheme: dark;
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
html {
	scroll-behavior: smooth;
}
body {
	background: var(--bg);
	color: var(--text);
	font-family: var(--font);
	line-height: 1.55;
	-webkit-font-smoothing: antialiased;
	min-height: 100dvh;
	position: relative;
	overflow-x: hidden;
}
a {
	color: inherit;
	text-decoration: none;
}

/* Atmosphere */
.grid-bg {
	position: fixed;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	background-image:
		linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
	background-size: 46px 46px;
	mask-image: radial-gradient(1000px 700px at 50% -5%, #000, transparent 75%);
}
.glow {
	position: fixed;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	background:
		radial-gradient(760px 420px at 72% -10%, rgba(76, 141, 255, 0.16), transparent 62%),
		radial-gradient(680px 460px at -8% 108%, rgba(76, 141, 255, 0.07), transparent 60%);
}
body > *:not(.grid-bg):not(.glow) {
	position: relative;
	z-index: 1;
}

/* Buttons */
.btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	height: 44px;
	padding: 0 22px;
	border-radius: 10px;
	border: 1px solid var(--border-strong);
	background: var(--surface-2);
	font-weight: 600;
	font-size: 15px;
	transition: transform 0.12s ease, border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.btn:hover {
	transform: translateY(-1px);
	border-color: var(--accent-line);
}
.btn.primary {
	background: var(--accent);
	border-color: var(--accent);
	color: var(--accent-ink);
	box-shadow: 0 8px 30px rgba(76, 141, 255, 0.28);
}
.btn.primary:hover {
	background: var(--accent-hi);
	border-color: var(--accent-hi);
}
.btn.ghost {
	height: 38px;
	padding: 0 16px;
	font-size: 14px;
	background: transparent;
	border-color: var(--border);
}

/* Nav */
.nav {
	max-width: 1080px;
	margin: 0 auto;
	padding: 22px 24px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.brand {
	display: flex;
	align-items: center;
	gap: 11px;
	font-weight: 700;
}
.mark {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	border-radius: 9px;
	background: var(--accent);
	color: var(--accent-ink);
	font-family: var(--mono);
	font-weight: 800;
	font-size: 14px;
}
.beta {
	font-family: var(--mono);
	font-size: 10px;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--accent);
	border: 1px solid var(--accent-line);
	background: var(--accent-soft);
	border-radius: 20px;
	padding: 2px 8px;
}

/* Hero */
main {
	max-width: 1080px;
	margin: 0 auto;
	padding: 0 24px;
}
.hero {
	padding: 90px 0 70px;
	text-align: center;
	max-width: 780px;
	margin: 0 auto;
}
.eyebrow {
	font-family: var(--mono);
	font-size: 12px;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--accent);
	margin-bottom: 22px;
}
.hero h1 {
	font-size: clamp(2.2rem, 6vw, 3.6rem);
	line-height: 1.06;
	letter-spacing: -0.02em;
	font-weight: 700;
}
.accent {
	color: var(--accent-hi);
}
.lede {
	color: var(--text-muted);
	font-size: clamp(1rem, 2.2vw, 1.2rem);
	margin: 24px auto 0;
	max-width: 620px;
}
.cta-row {
	margin-top: 34px;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 16px;
	flex-wrap: wrap;
}
.cta-note {
	font-family: var(--mono);
	font-size: 12px;
	color: var(--text-faint);
}

/* Features */
.features {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 16px;
	padding: 20px 0 40px;
}
.feature {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: 14px;
	padding: 24px;
	transition: transform 0.15s ease, border-color 0.15s;
}
.feature:hover {
	transform: translateY(-3px);
	border-color: var(--accent-line);
}
.f-icon {
	font-size: 24px;
	margin-bottom: 12px;
}
.feature h3 {
	font-size: 17px;
	margin-bottom: 6px;
}
.feature p {
	color: var(--text-muted);
	font-size: 14px;
}

/* Strip */
.strip {
	padding: 20px 0 70px;
}
.strip-inner {
	background: linear-gradient(180deg, var(--accent-soft), transparent), var(--surface);
	border: 1px solid var(--accent-line);
	border-radius: 16px;
	padding: 28px 30px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	flex-wrap: wrap;
}
.strip-title {
	font-size: 20px;
	font-weight: 700;
}
.strip-sub {
	color: var(--text-muted);
	font-size: 14px;
	margin-top: 4px;
}

/* Footer */
.foot {
	max-width: 1080px;
	margin: 0 auto;
	padding: 26px 24px 40px;
	display: flex;
	justify-content: space-between;
	gap: 12px;
	flex-wrap: wrap;
	border-top: 1px solid var(--border);
	color: var(--text-muted);
	font-size: 13px;
}
.foot a {
	color: var(--accent-hi);
}
.foot .dim {
	color: var(--text-faint);
}

@media (max-width: 860px) {
	.features {
		grid-template-columns: 1fr 1fr;
	}
}
@media (max-width: 560px) {
	.features {
		grid-template-columns: 1fr;
	}
	.hero {
		padding: 60px 0 50px;
	}
}